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Date:      Fri, 6 Jul 2001 10:42:08 -0700 (PDT)
From:      John Polstra <jdp@polstra.com>
To:        stable@freebsd.org
Cc:        jdp@wall.polstra.com
Subject:   Re: bpf/libpcap and pthreads
Message-ID:  <200107061742.f66Hg8J16085@vashon.polstra.com>
In-Reply-To: <200107061618.f66GI5L15965@vashon.polstra.com>
References:  <20010706010251.W94746-100000@warez.scriptkiddie.org> <200107061618.f66GI5L15965@vashon.polstra.com>

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In article <200107061618.f66GI5L15965@vashon.polstra.com>,
John Polstra  <jdp@polstra.com> wrote:
> In article <20010706010251.W94746-100000@warez.scriptkiddie.org>,
> Lamont Granquist  <lamont@scriptkiddie.org> wrote:
> > 
> > i've got a program where i'm trying to use libpcap in a posix thread and
> > the thread is failing to get any data back.  i've tried writing a sample
> > program which was non-threaded and then simply linking with -pthread and
> > linking that way seems to interfere with bpf/libpcap.  i'm running on
> > 4.3-STABLE and tried it on a build which was a few months old, and just
> > tried again with a cvsup from a few hours ago (Jul 5 2001 22:00:00 or
> > so).
> > 
> > is there a known incompatibility between bpf/libpcap and pthreads?  anyone
> > have any notions of what is going wrong here?  (is it possible that bpf is
> > having problems waking up the thread waiting on i/o?)
> 
> This sounds like a bug I fixed in -current some time ago.  I thought
> I merged the fix into -stable, but maybe not.  I'll check later on
> today.

Yes, I did merge the fix into -stable January 5, 2001.  It is in
"src/sys/net/bpf.c" revision 1.59.2.5.

John
-- 
  John Polstra                                               jdp@polstra.com
  John D. Polstra & Co., Inc.                        Seattle, Washington USA
  "Disappointment is a good sign of basic intelligence."  -- Chögyam Trungpa


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